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bezimeni [28]
3 years ago
12

Suppose you have the following probabilities:

Mathematics
1 answer:
aliya0001 [1]3 years ago
7 0

Answer:c

Step-by-step explanation:

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May someone help me with this :)
Sveta_85 [38]

Answer:

Perimeter is 30 and area is 32

Step-by-step explanation:

7+8+7+8= 30 and A= BH so 8 x 4 = 32

7 0
3 years ago
Questions 6 and 7 and 9 and 10 please
Nadya [2.5K]
6. 52x
7. 0.5(n+5)
9. 33b-12
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3 years ago
dos aviones parten de una ciudad con direcciones S32°E y E57°N¿ cuál es el angulo que forma sus direcciones?​
Elan Coil [88]

Answer:

El ángulo formado entre las dos direcciones es aproximadamente 115º.

Step-by-step explanation:

Las direcciones dadas en el enunciado significan lo siguiente:

S32ºE - <em>32º al este del sur.</em>

E57ºN - <em>57º al norte del este.</em>

Vectorialmente hablando, cada dirección es la siguiente:

S32ºE

A(x,y) = (\sin 32^{\circ}, -\cos 32^{\circ})

A(x,y) = (0.530, -0.848)

E57ºN

B(x,y) = (\cos 57^{\circ},\sin 57^{\circ})

B(x,y) = (0.545, 0.839)

El ángulo formado entre los dos vectores unitarios (\theta), medido en grado sexagesimales, puede determinarse mediante la siguiente ecuación vectorial:

\theta = \cos^{-1} \frac{A\,\bullet \,B}{\|A\|\cdot \|B\|}

Donde:

\|A\| - Norma de A(x,y).

\|B\| - Norma de B(x,y).

Si sabemos que A(x,y) = (0.530, -0.848), B(x,y) = (0.545, 0.839), \|A\| = 1 y \|B\| = 1, entonces el ángulo formado entre los dos vectores es:

\theta = \cos^{-1} \frac{(0.530)\cdot (0.545)+(-0.848)\cdot (0.839)}{(1)\cdot (1)}

\theta \approx 115^{\circ}

El ángulo formado entre las dos direcciones es aproximadamente 115º.

4 0
3 years ago
Round 89.96 to the nearest tenth
miv72 [106K]
Your answer is 90. Hope that helps!
7 0
3 years ago
Read 2 more answers
PLS HELP ME IT WOULDN MEAN A LOT ANSWER CHOICES ARE ON THE PICTURE
horsena [70]

Answer:

i kinda wanna say it is the first one or second

Step-by-step explanation:

5 0
3 years ago
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